def string(self):
token = self._consume(1)
if token < "\x05":
return ""
elif "\x05" <= token <= "\xF5":
return tok2str(ord(token))
elif token == "\xFA":
user = self.string()
server = self.string()
return user + "@" + server
elif token == "\xFC":
return self._consume(self.int8())
elif token == "\xFD":
return self._consume(self.int24())
elif token == "\xFE":
return tok2str(0xF5 + self.int8())
else:
raise Exception("Unknown string token '%02x'" % ord(token))
def string(self):
token = self._consume(1)
if token < "\x05":
return ""
elif "\x05" <= token <= "\xF5":
return tok2str(ord(token))
elif token == "\xFA":
user = self.string()
server = self.string()
return user + "@" + server
elif token == "\xFC":
return self._consume(self.int8())
elif token == "\xFD":
return self._consume(self.int24())
elif token == "\xFE":
return tok2str(0xF5 + self.int8())
else:
raise Exception("Unknown string token '%02x'" % ord(token))
def string(self):
token = self.int8()
if token == 0x00:
return ""
elif 0x02 < token < 0xf5:
if token == 0xec:
return tok2str(0xed + self.int8())
else:
return tok2str(token)
elif token == 0xFA:
user = self.string()
server = self.string()
return user + "@" + server
elif token == 0xFC:
return self._consume(self.int8())
elif token == 0xFD:
return self._consume(self.int24())
elif token == 0xFE:
return tok2str(0xF5 + self.int8())
elif token == 0xFF:
nibble = self.int8()
ignore_last_nibble = nibble & 0x80
size = nibble & 0x7f
nibbles_count = size * 2 - (1 if ignore_last_nibble else 0)
data = self._consume(size)
output = ""
for i in xrange(nibbles_count):
shift = 4 * (1 - i % 2)
decimal = (ord(data[i // 2]) & (15 << shift)) >> shift
if decimal < 10:
output += str(decimal)
else:
output += chr(decimal - 10 + 45)
return output
else:
raise ValueError("Unknown string token: %02x" % ord(token))
def string(self):
token = self.int8()
if token == 0x00:
return ""
elif 0x02 < token < 0xf5:
if token == 0xec:
return tok2str(0xed + self.int8())
else:
return tok2str(token)
elif token == 0xFA:
user = self.string()
server = self.string()
return user + "@" + server
elif token == 0xFC:
return self._consume(self.int8())
elif token == 0xFD:
return self._consume(self.int24())
elif token == 0xFE:
return tok2str(0xF5 + self.int8())
elif token == 0xFF:
nibble = self.int8()
ignore_last_nibble = nibble & 0x80
size = nibble & 0x7f
nibbles_count = size * 2 - (1 if ignore_last_nibble else 0)
data = self._consume(size)
output = ""
for i in xrange(nibbles_count):
shift = 4 * (1 - i % 2)
decimal = (ord(data[i // 2]) & (15 << shift)) >> shift
if decimal < 10:
output += str(decimal)
else:
output += chr(decimal - 10 + 45)
return output
else:
raise ValueError("Unknown string token: %02x" % ord(token))
